<template>
  <view class="my-settle-container">
    <!-- 全选 -->
    <label class="radio" @click="changeAllState">
      <radio :checked="ifFullChecked" color="#c00000" /><text>全选</text>
    </label>
    
    <!-- 合计 -->
    <view class="amount-box">
      合计:<text class="amount">￥{{checkedGoodsAmount}}</text>
      
    </view>
    <view class="btn-settle" @click="settlement">
      结算({{checkedCount}})
    </view>
  </view>
</template>

<script>
  import { mapState,mapGetters ,mapMutations} from 'vuex'
  export default {
    name:"my-settle",
    data() {
      return {
        // 默认跳转秒数
        seconds:3,
        // timeId
        timeId:null
      };
    },
    methods: {
      ...mapMutations('my_cart', ['updateAllGoodsState']),
      ...mapMutations('my_user',['updateRedirectionInfo']),
      changeAllState() {
        this.updateAllGoodsState(!this.ifFullChecked)
      },
      showTips(n) {
        uni.showToast({
          icon:'none',
          // 为页面添加透明遮罩，防止点击穿透
          mask:true,
          title:'请先登录  ' +n+'秒后跳转到登录页面',
          duration:1500
        })
      },
      // 用户点击了结算按钮
      settlement () {
        if (!this.checkedCount) return uni.$showMsg('请选择要结算的商品')
        if (!this.addStr) return uni.$showMsg('请选择收货地址')
        if(!this.token) return this.delayNavigate()
        // 通过验证后 开始支付
        this.payOrder()
      },
      async payOrder(){
        // 创建订单信息
        const orderInfo = {
          // order_price: this.checkedGoodsAmount
          order_price: 0.01,
          consignee_addr: this.addStr,
          goods: this.cart.filter( x => x.goods_state).map( x => ({ goods_id: x.goods_id,
          goods_number: x.goods_amount,
          goods_price: x.goods_price}))
        }
        //发起 请求
        const {data: res} = await uni.$http.post('/api/public/v1/my/orders/create', orderInfo)
        console.log(res)
         if (res.meta.status !== 200) return uni.$showMsg('创建订单失败！')
        // 接收订单编号
         // 1.3 得到服务器响应的“订单编号”
          const orderNumber = res.message.order_number
        
        
         // 2. 订单预支付
         // 2.1 发起请求获取订单的支付信息
         const { data: res2 } = await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder', { order_number: orderNumber })
         // 2.2 预付订单生成失败
         if (res2.meta.status !== 200) return uni.$showError('预付订单生成失败！')
         // 2.3 得到订单支付相关的必要参数
         const payInfo = res2.message.pay
        
         // 3. 发起微信支付
         // 3.1 调用 uni.requestPayment() 发起微信支付
         const [err, succ] = await uni.requestPayment(payInfo)
         // 3.2 未完成支付
         if (err) return uni.$showMsg('订单未支付！')
         // 3.3 完成了支付，进一步查询支付的结果
         const { data: res3 } = await uni.$http.post('/api/public/v1/my/orders/chkOrder', { order_number: orderNumber })
         // 3.4 检测到订单未支付
         if (res3.meta.status !== 200) return uni.$showMsg('订单未支付！')
         // 3.5 检测到订单支付完成
         uni.showToast({
           title: '支付完成！',
           icon: 'success'
         })
      },
      delayNavigate() {
        // 重置倒计时
        this.seconds = 3
        this.showTips(this.seconds)
        this.timeId = setInterval(()=> {
          this.seconds--,
          this.showTips(this.seconds)
          if ( this.seconds <= 0) {
            // 关闭定时器
            clearInterval(this.timeId)
            // 跳转路由
            uni.switchTab({
              url:'/pages/my/my'
            })
            // 调用 vuex 的 updateRedirectInfo 方法，把跳转信息存储到 Store 中
            this.updateRedirectionInfo({
              // 跳转方式
              opentype:'switchTab',
              // 从哪个页面跳转
              from: '/pages/cart/cart'
            })
            return
          }
        } , 1000)
      }
    },
    computed: {
      ...mapState('my_user', ['token']),
      ...mapGetters('my_cart', ['checkedCount','total','checkedGoodsAmount']),
      ...mapGetters('my_user', ['addStr']),
      ...mapState('my_cart',['cart']),
      ifFullChecked() {
        return this.total === this.checkedCount
      }
    }
  }
</script>

<style lang="scss">
.my-settle-container {
  height: 50px;
  /* 底部 固定定位*/
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  padding-left: 5px;
  background-color: white;
  .radio {
    display: flex;
    align-items: center;
  }
  .amount{
    color: #C00000;
  }
  .btn-settle{
    height: 50px;
    min-width: 100px;
    padding: 0 10px;
    background-color: #C00000;
    color: white;
    line-height: 50px;
    text-align: center;
  }
  
}
</style>